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xen-users
Re: [Xen-users] Network stall
Boudreau Luc schrieb:
> I share a file via any protocol on any domU. The file has to be of a big
> enough size so that the upload takes a while. 1 gig usually does the
> trick. Then, I logon to another machine (physical machine, that is…),
> and start retreiving it from the domU instance. After some random number
> of seconds, the network stalls, the link goes down, and the packets
> start beeing dropped.
Try to disable TCP checksum in every domU for every interface that connects
to the bridge.
Inside the domU's: ethtool -K eth0 tx off
I dont' know this for CentOS, but on debian-like systems the perfect place is
/etc/network/interfaces .
As an example:
iface eth0 inet static
address 192.168.1.5
netmask 255.255.255.0
gateway 192.168.1.1
post-up ethtool -K eth0 tx off
You could try this via console first and watch if your network performs better.
Stephan
s.seitz.vcf
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